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Old 11-06-2003, 09:35 PM
suginami suginami is offline
Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,508
You're right about the O2 sensor. The exhaust leak is down wind of the O2 sensor.

I'm wondering if his EGR inlet pipe is blocked, and causing the other two false codes.
Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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